Adobe Acrobat Reader <23.003.20284,20.005.30516,20.005.30514: OOB Write Code Exec
CVE-2023-26369 Published on September 13, 2023
[Google Project Zero] Adobe Acrobat DC OOBW 0-day actively exploited in the wild
Acrobat Reader versions 23.003.20284 (and earlier), 20.005.30516 (and earlier) and 20.005.30514 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Under Active Exploitation
This vulnerability is under active exploitation.Known Exploited Vulnerability
This Adobe Acrobat and Reader Out-of-Bounds Write Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Adobe Acrobat and Reader contains an out-of-bounds write vulnerability that allows for code execution.
The following remediation steps are recommended / required by October 5, 2023: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2023-26369 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2023-26369 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2023-26369
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Affected Versions
Adobe Acrobat Reader:- Before and including 20.005.30514 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.